Sony cfs w 301 service manual

Page 2

CFS-W30'l

TABLE OF CONTENTS MODEL IDENTIFICATION
- Specification Label -
Section Elie. Eli US model
Specifications ............................ I
Safety Check-out (us Model) .................. 2 SONYQMODEL no CFS-WSOI
Parts identification ......................... 3 -.
STEREO CASSETTE-CORDER
SECTION1 ADJUSTMENTS "mm "65: :3 5375574333:
1-]. Mechanical Adjustments ................. 4 Sg-gonggnfilgifll BATT
1-2. Tape Recorder Section Electrical SIZE D lR20I x6 0R EQUIV
Adjustments ......................... 6 gel of
1-3. Radio Section Electrical Adjustments ......... 8

SECTION 2 DIAGRAMS 247/ wig
2-]. Mounting Diagram ~ Main Section ........... 11 MADE N PM mm
2-2. Schematic Diagram - Main Section .......... 15
2-3. Mounting Diagram - Tuner Section .......... l 8 Canadian model
2-4. Schematic Diagram - Tuner Section ......... 19
SONYo

SECTION 3 EXPLODED VIEws AND MODEL N°~ CPS-WWI

PARTS LIST ................... 21 STEREO CASSETTE~CORDER

FREQUENCY RANGE: FM ate-loam

SECTION 4 ELECTRICAL PARTS LIST ......... 25 53°r°

AC1I20V GOHI |4W
DC19V FLASHLIGHT BATT
SIZE D (R20) x6 0R EQUIV

MADE IN JAPAN

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SAFETY CHECK-OUT (US Model)

After correcting the original service problem, 3 Measuring the voltage drop across a resistor by
perform the following safety check before releasing means of a VOM or battery-operated AC volt-
the set to the customer: meter. The limit indication is 0.75 V, so
Check the antenna terminals, metal trim, metallized analog meters mUSt have an accurate low
knobs, screws, and all other exposed metal parts for voltage scale. The Simpson 250 and Sanwa
AC leakage. Check leakage as described below. SH'63T'd 3'5 examples 0 3 PaSSiVE VOM that

is suitable Nearly all battery operated digital
multimeters that have a 1v AC range are
LEAKAGE TEST suitable. (See Fig. A)
The AC leakage from any exposed metal part to
earth ground and from all exposed metal parts to any To Exposed Metal
, . . Parts on Set
exposed metal part havmg a return to chassxs, must
not exceed 0.5 mA (500 microampers). Leakage
current can be measured by any one of three

methods. r
I. A commercial leakage tester, such as the 0.75"; -��1,514) / foam!
Simpson 229 or RCA WT-S40A. Follow the (0.75m
manufacturers instructions to use these instru~ '
ments.

2. A battery-operated AC milliammeter. The Data
Precision 245 digital multimeter is suitable for
this job. Fig. A. Using an AC voltmeter to check AC leakage.

3? Earth Ground